CN202770790U - Concrete adiabatic temperature rise tester - Google Patents
Concrete adiabatic temperature rise tester Download PDFInfo
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- CN202770790U CN202770790U CN 201220276242 CN201220276242U CN202770790U CN 202770790 U CN202770790 U CN 202770790U CN 201220276242 CN201220276242 CN 201220276242 CN 201220276242 U CN201220276242 U CN 201220276242U CN 202770790 U CN202770790 U CN 202770790U
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Abstract
The utility model relates to a concrete adiabatic temperature rise tester which comprises a container for holding a concrete test piece and a double-layer independent temperature preservation and control cylinder, wherein the cylinder comprises a double-layer seat body and a double-layer cover body detachably mounted on the double-layer seat body; the double-layer seat body and the double-layer cover body commonly form a cavity for containing the container; the cylinder adopts an inner and outer double-layer structure; temperature preservation materials with different temperature preservation degrees are respectively filled in the inner layer and the outer layer of the inner and outer double-layer structure; and heating films with different powers are respectively paved on the inner wall surface of the inner layer structure close to the container and between the inner layer structure and outer layer structure and are all electrically connected with a power adjustor; and temperature sensors are respectively installed in the test environment outside the cylinder, inside the container and in the inner layer structure and the outer layer structure of the cylinder and are all electrically connected with a temperature transmitter. The concrete adiabatic temperature rise tester has the beneficial effects that the reliability and the precision of concrete adiabatic temperature rise test can be effectively improved, and a more reliable and accurate adiabatic concrete temperature rise curve is obtained.
Description
Technical field
The utility model belongs to the testing tool of the concrete material of testing usefulness, relate in particular to a kind of experimental facilities for measuring the Adiabatic temperature rise of concrete progress curve, it is by measuring the concrete of various match ratio types, the temperature rise progress curve of simulation large volume concrete structural thing central temperature under adiabatic condition.
Background technology
Adiabatic temperature rise of concrete is to affect mass concrete to produce one of important thermal parameters of temperature stress, critical effect has been played in prevention for the cracking of mass concrete, so Measurement accuracy Adiabatic temperature rise of concrete and Changing Pattern thereof just seem particularly important.The Adiabatic temperature rise of concrete progress curve is to weigh concrete mix whether to be conducive to the important indicator that the large volume concrete structural thing reduces cracking risk, and measuring reliable, accurate adiabatic temperature rise progress curve is to realize the correct precondition of judging.Mainly there are following two problems in the concrete heat adiabatic temperature rise tester of prior art:
The one, the insulation temperature control performance of equipment is bad: traditional concrete heat adiabatic temperature rise tester mainly adopts single heat-insulation layer, single zone of heating manufacturing process and technology, and environment for use is had relatively high expectations, and easily is subject to the impact of external working environment.Whether the direct decision of performance of insulation temperature control can simulate adiabatic space for test specimen, therefore is directly connected to the accuracy of measurement result.Owing to directly measuring the simulation concrete adiabatic temperature rise, must guarantee in whole process of the test, can not make concrete temperature to outside function of environment heat emission, while can not oppositely heat to test specimen owing to external environment is higher than concrete temperature, thereby guarantees the adiabatic temperature rise of whole process of the test.
The 2nd, equipment uses the portable bad of operation: the concrete heat adiabatic temperature rise tester volume of parts of traditional is large, quality is large, because Machine Design partly has flaw, but in order to guarantee measuring accuracy, usually adopt larger test test specimen, for example 50L or 80L concrete sample, therefore all need to prepare more starting material before doing experiment carries out proportioning at every turn, and need hoisting device that test specimen is put into testing tool, after experiment finishes, need to clear up in order to test next time equipment, this has increased workload for the user undoubtedly in test process; And in the industrial manufacture process of precision, owing to the large volume member of selecting, also increased complicacy and the cost of machining.
In addition, generally, traditional concrete heat adiabatic temperature rise tester is well not intelligent, even has some need to manually carry out data acquisition-and-recording.Yet the test period of Adiabatic temperature rise of concrete is more than 7 days at least, so just needs that the experimenter is around-the-clock to be observed experimental result, and its human cost is higher, and work efficiency is lower.
The utility model content
Technical problem to be solved in the utility model is, provides a kind of observing and controlling precision reliable and stable concrete heat adiabatic temperature rise tester.
For solving the problems of the technologies described above, the utility model provides a kind of concrete heat adiabatic temperature rise tester, comprise be used to the container that holds concrete sample and double-deck independent insulation temperature control cylindrical shell, described cylindrical shell comprises double-deck pedestal and is removably mounted on double-deck lid on the described double-deck pedestal, described double-deck pedestal and double-deck lid are formed for the cavity of holding said container jointly, described cylindrical shell has inside and outside double-layer structural, be filled with respectively the different insulation material of insulation degree in its inside and outside double-layer structure, and be equipped with respectively in the inner the heating film of different capacity between the internal face of the contiguous described container of layer structure and the inside and outside double-layer structure, described heating film all is electrical connected with power regulator, in the test environment of described cylindrical shell outside, described internal tank, be separately installed with temperature sensor on the inside and outside double-layer structure of described cylindrical shell, described temperature sensor all is electrical connected with temperature transmitter.
Further, the temperature sensor of described internal tank is positioned at the center of described container.
Further, the endothecium structure of described cylindrical shell has diapire, roof and sidewall, and the structural temperature sensor of described barrel inner has three, and it is installed in respectively the medium position of contiguous described cavity one side of described diapire, roof and sidewall.
Further, the layer structure of described cylindrical shell has diapire, roof and sidewall, and the temperature sensor on the described cylindrical shell layer structure has three, and it is installed in respectively the medium position of endothecium structure one side of the contiguous described cylindrical shell of described diapire, roof and sidewall.
Further, described double-deck pedestal comprises inside and outside stacked internal layer pedestal and outer pedestal, and described cavity is positioned on the described internal layer pedestal, and the one end has opening, and it is outside that described outer pedestal covers at described internal layer pedestal; Described double-deck lid comprises inside and outside stacked internal layer lid and outer lid, and described internal layer lid is inserted in the opening part of described internal layer pedestal, and described outer lid is placed on described double-deck pedestal top.
Further, the temperature sensor of described internal tank is positioned at the center of described container; Described internal layer pedestal has internal layer diapire and internal layer sidewall, the structural temperature sensor of described barrel inner has three, and it is installed in respectively the medium position of the medium position of contiguous described cavity one side of described internal layer diapire, contiguous described cavity one side of described internal layer sidewall and the medium position of contiguous described cavity one side of described internal layer lid; Described outer pedestal has outer diapire and outer sidewall, temperature sensor on the described cylindrical shell layer structure has three, and it is installed in respectively the medium position of the medium position of contiguous described internal layer pedestal one side of described outer diapire, contiguous described internal layer pedestal one side of described outer sidewall and the medium position of contiguous described internal layer lid one side of described outer lid.
Further, described container is by the medium position of supporting members support in described cavity.
Further, described double-deck lid is after described double-deck pedestal is in place, and the space that described heating film surrounds is sealed, and the distance of the described container of the internal face of described barrel inner structure distance is identical.
Further, described container is cylinder-like structure, and it comprises combinable loam cake, go to the bottom and by left-right symmetric half cylindrical shell that is divided into along center line.
Further, described temperature transmitter and power regulator are positioned at equipment control cabinet, and described cabinet is positioned at the below of described cylindrical shell, and forms conjoined structure with described cylindrical shell.
Compared with prior art, concrete heat adiabatic temperature rise tester of the present utility model adopts double-deck independent insulation temperature control technique, can effectively shield the temperature variation of the environment that comes from the outside to the impact of experimental result.Because cylindrical shell inside and outside two-layer has different heating powers and heat-insulating property, inside and outside two-layer insulation temperature regulating device is according to the different independent operatings of operating environment, the attemperator of layer structure can effectively be eliminated ambient temperature effect, is operated in 1 degree centigrade the amplitude of fluctuation to guarantee endothecium structure; Endothecium structure can be realized the temperature precise fine-adjustment, real-time ensuring concrete sample central temperature is identical with the appearance temperature, temperature-controlled precision only is subjected to the thermometric accuracy limitations, and be not subjected to the impact of environment temperature, thereby reliability and the degree of accuracy of the test of Effective Raise Adiabatic temperature rise of concrete obtain more reliable, more accurate Adiabatic temperature rise of concrete progress curve.In addition, cylindrical shell is made of dismountable double-deck pedestal and double-deck lid two parts, and its machine-building process-cycle is short, and equipment cost is low.
On the other hand, concrete heat adiabatic temperature rise tester of the present utility model is because measuring accuracy is high, measuring accuracy requirement in the supergauge far away, therefore test specimen can be done lightly convenient, need not any hoisting device, normal conditions next operating personnel can finish, thereby save human cost, reduction cost.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the utility model concrete heat adiabatic temperature rise tester one preferred embodiment.
Fig. 2 is section decomposing schematic representation embodiment illustrated in fig. 1.
Fig. 3 is embodiment illustrated in fig. 1 and connection diagram peripheral equipment.
Fig. 4 is sense and control technique systematic schematic diagram embodiment illustrated in fig. 1.
Fig. 5 is the software test surface chart of the utility model concrete heat adiabatic temperature rise tester one preferred embodiment.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Please together consulting Fig. 1 to Fig. 3, is a preferred embodiment of the present utility model, and this concrete heat adiabatic temperature rise tester comprises container 1 and double-deck independent insulation temperature control cylindrical shell 2.
In the test environment of cylindrical shell 2 outsides, on the inside and outside double-layer structure of container 1 inside, cylindrical shell 2, be separately installed with temperature sensor 81-88, temperature sensor 81-88 all is electrical connected with temperature transmitter 9, to monitor respectively the temperature variation of operate outside environment, test specimen 3, cylindrical shell 2 inside and outside double-layer structures.Temperature sensor 81-88 selects the pt100 temperature sensor in the present embodiment.For guaranteeing accurately to monitor the temperature variation of test specimen 3 and cylindrical shell 2, the temperature sensor 82 of container 1 inside is preferentially located in the center of container 1, is used for the variation of Real-Time Monitoring test specimen 3 central temperatures; Preferred three of temperature sensor 83-85 quantity on cylindrical shell 2 endothecium structures, and preferably be installed in respectively the medium position that diapire, roof and sidewall are close to cavity 23 1 sides, be used for the temperature variation of monitoring cylindrical shell 2 endothecium structures on a plurality of directions; Also preferred three of temperature sensor 86-88 quantity on cylindrical shell 2 layer structures, and preferably be installed in respectively the medium position of endothecium structure one side of the contiguous cylindrical shell of outer diapire, outer roof and outer sidewall, be used for the temperature variation of monitoring cylindrical shell 2 layer structures on a plurality of directions.
Particularly, double-deck pedestal 21 comprises inside and outside stacked internal layer pedestal 211 and outer pedestal 212; Internal layer pedestal 211 has internal layer diapire 2111 and internal layer sidewall 2112, and cavity 23 is positioned on the internal layer pedestal 211, and the one end has opening 231; Outer pedestal 212 covers at internal layer pedestal 211 outsides, and it has outer diapire 2121 and outer sidewall 2122.Double-deck lid 22 comprises inside and outside stacked internal layer lid 221 and outer lid 222, and internal layer lid 221 is inserted in opening 231 places of internal layer pedestal 211, and outer lid 222 is placed on double-deck pedestal 21 tops.In the present embodiment, three temperature sensor 83-85 of monitoring cylindrical shell 2 endothecium structure temperature variation are installed in respectively the medium position of the medium position of internal layer diapire 2111 contiguous cavity 23 1 sides, internal layer sidewall 2112 contiguous cavity 23 1 sides and the medium position of internal layer lid 221 contiguous cavity 23 1 sides; Three temperature sensor 86-88 of monitoring cylindrical shell 2 layer structure temperature variation then are installed in respectively the medium position of the medium position of outer diapire 2121 contiguous internal layer pedestal 211 1 sides, outer sidewall 2122 contiguous internal layer pedestal 211 1 sides and the medium position of outer lid 222 contiguous internal layer lid 221 1 sides.
Above-mentioned concrete heat adiabatic temperature rise tester can be realized full-automatic record data and it is carried out simple analysis and calculating by Software for Design and programming, to save human cost, increase the intelligent and operability of equipment.Please together consult Fig. 4, various piece is combined into computer automatic analysis and temperature-controlling system.Wherein, temperature transmitter 9 converts the physical signalling of temperature sensor 81-88 to the nominal voltage signal, and data collecting card converts the nominal voltage signal to digital signal and sends computing machine to; The LabVIEW virtual instrument software of computing machine is operated on the Windows operating system, and the digital signal that obtains processed, judge according to test specimen 3, interior external thermal insulation and environment equitemperature condition, provide corresponding control signal and send power regulator 7 to by data collecting card.
In the present embodiment, temperature transmitter 9 and power regulator 7 are positioned at equipment control cabinet 100, and cabinet 100 is positioned at the below of cylindrical shell 2, and form conjoined structure with cylindrical shell 2.The present embodiment partly unites two into one mechanical part and cabinet observing and controlling, is equivalent to cabinet observing and controlling and partly is built in the equipment.Usually have a lot of signal wires and power lead etc. between the two and be connected, the annexation of fine like this solution between the two.And can be equipped with in the equipment bottom four and can comprehensive 360 degree rotate and the pulley (indicating among the figure) of auto-lock function, make it conveniently moving, to strengthen the security of equipment.
During test, container 1 assembly unit is complete, and the concrete sample 3 after then will mixing is poured in the container 1, and container 1 is bearing in the cavity 23 of cylindrical shell 2 by supporting member 4, double-deck lid 22 lids are entered opening 231 places of cavity 23, namely form complete insulation temperature control space (as shown in Figure 1); Then, the data line of power lead, temperature sensor 81-88 etc. is connected, open power supply, open LabVIEW virtual instrument software interface, as shown in Figure 5, click the start button among the figure, can begin to carry out test experiments.
Concrete heat adiabatic temperature rise tester of the present utility model adopts double-deck independent insulation temperature control technique, can effectively shield the temperature variation of the environment that comes from the outside to the impact of experimental result.Because cylindrical shell 2 inside and outside two-layer has different heating powers and heat-insulating property, inside and outside two-layer insulation temperature regulating device is according to the different independent operatings of operating environment, the attemperator of layer structure can effectively be eliminated ambient temperature effect, is operated in 1 degree centigrade the amplitude of fluctuation to guarantee endothecium structure; Endothecium structure can be realized the temperature precise fine-adjustment, real-time ensuring concrete sample 3 central temperatures are identical with the appearance temperature, temperature-controlled precision only is subjected to the thermometric accuracy limitations, and be not subjected to the impact of environment temperature, thereby reliability and the degree of accuracy of the test of Effective Raise Adiabatic temperature rise of concrete obtain more reliable, more accurate Adiabatic temperature rise of concrete progress curve.In addition, cylindrical shell 2 is made of dismountable double-deck pedestal 21 and double-deck lid 22 two parts, and its machine-building process-cycle is short, and equipment cost is low.
On the other hand, concrete heat adiabatic temperature rise tester of the present utility model is because measuring accuracy is high, measuring accuracy requirement in the supergauge far away, therefore can do test specimen 3 lightly convenient, need not any hoisting device, normal conditions next operating personnel can finish, thereby save human cost, reduction cost.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. concrete heat adiabatic temperature rise tester, comprise be used to the container that holds concrete sample, it is characterized in that, described tester also comprises double-deck independent insulation temperature control cylindrical shell, described cylindrical shell comprises double-deck pedestal and is removably mounted on double-deck lid on the described double-deck pedestal, described double-deck pedestal and double-deck lid are formed for the cavity of holding said container jointly, described cylindrical shell has inside and outside double-layer structural, be filled with respectively the different insulation material of insulation degree in its inside and outside double-layer structure, and be equipped with respectively in the inner the heating film of different capacity between the internal face of the contiguous described container of layer structure and the inside and outside double-layer structure, described heating film all is electrical connected with power regulator, in the test environment of described cylindrical shell outside, described internal tank, be separately installed with temperature sensor on the inside and outside double-layer structure of described cylindrical shell, described temperature sensor all is electrical connected with temperature transmitter.
2. concrete temperature rise tester as claimed in claim 1 is characterized in that, the temperature sensor of described internal tank is positioned at the center of described container.
3. concrete heat adiabatic temperature rise tester as claimed in claim 1, it is characterized in that, the endothecium structure of described cylindrical shell has diapire, roof and sidewall, the structural temperature sensor of described barrel inner has three, and it is installed in respectively the medium position of contiguous described cavity one side of described diapire, roof and sidewall.
4. concrete heat adiabatic temperature rise tester as claimed in claim 1, it is characterized in that, the layer structure of described cylindrical shell has diapire, roof and sidewall, temperature sensor on the described cylindrical shell layer structure has three, and it is installed in respectively the medium position of endothecium structure one side of the contiguous described cylindrical shell of described diapire, roof and sidewall.
5. concrete temperature rise tester as claimed in claim 1, it is characterized in that, described double-deck pedestal comprises inside and outside stacked internal layer pedestal and outer pedestal, and described cavity is positioned on the described internal layer pedestal, the one end has opening, and it is outside that described outer pedestal covers at described internal layer pedestal; Described double-deck lid comprises inside and outside stacked internal layer lid and outer lid, and described internal layer lid is inserted in the opening part of described internal layer pedestal, and described outer lid is placed on described double-deck pedestal top.
6. concrete temperature rise tester as claimed in claim 5 is characterized in that, the temperature sensor of described internal tank is positioned at the center of described container; Described internal layer pedestal has internal layer diapire and internal layer sidewall, the structural temperature sensor of described barrel inner has three, and it is installed in respectively the medium position of the medium position of contiguous described cavity one side of described internal layer diapire, contiguous described cavity one side of described internal layer sidewall and the medium position of contiguous described cavity one side of described internal layer lid; Described outer pedestal has outer diapire and outer sidewall, temperature sensor on the described cylindrical shell layer structure has three, and it is installed in respectively the medium position of the medium position of contiguous described internal layer pedestal one side of described outer diapire, contiguous described internal layer pedestal one side of described outer sidewall and the medium position of contiguous described internal layer lid one side of described outer lid.
7. concrete temperature rise tester as claimed in claim 1 is characterized in that, described container is by the medium position of supporting members support in described cavity.
8. concrete temperature rise tester as claimed in claim 1, it is characterized in that, described double-deck lid is after described double-deck pedestal is in place, and the space that described heating film surrounds is sealed, and the distance of the described container of the internal face of described barrel inner structure distance is identical.
9. concrete temperature rise tester as claimed in claim 1 is characterized in that, described container is cylinder-like structure, and it comprises combinable loam cake, go to the bottom and by left-right symmetric half cylindrical shell that is divided into along center line.
10. concrete temperature rise tester as claimed in claim 1 is characterized in that, described temperature transmitter and power regulator are positioned at equipment control cabinet, and described cabinet is positioned at the below of described cylindrical shell, and forms conjoined structure with described cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276242 CN202770790U (en) | 2012-06-12 | 2012-06-12 | Concrete adiabatic temperature rise tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276242 CN202770790U (en) | 2012-06-12 | 2012-06-12 | Concrete adiabatic temperature rise tester |
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| CN202770790U true CN202770790U (en) | 2013-03-06 |
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| CN 201220276242 Expired - Fee Related CN202770790U (en) | 2012-06-12 | 2012-06-12 | Concrete adiabatic temperature rise tester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007138A (en) * | 2014-06-04 | 2014-08-27 | 清华大学 | Method for inverting adiabatic temperature rise of concrete by using two-dimensional heat radiation |
| CN104594879A (en) * | 2014-11-26 | 2015-05-06 | 中国石油天然气股份有限公司 | Temperature control device and method for oil-gas field physical simulation experiment |
| CN108254402A (en) * | 2017-12-21 | 2018-07-06 | 中国水利水电科学研究院 | Fully graded concrete adiabatic temperature rise test equipment and method under different placing temperatures |
| CN109030794A (en) * | 2018-07-25 | 2018-12-18 | 武汉三源特种建材有限责任公司 | Concrete temperature rise rapid detection method |
| CN110501530A (en) * | 2018-05-16 | 2019-11-26 | 天津市惠达实验仪器有限公司 | A kind of energy-saving adiabatic temperature rise testing machine |
| CN112445248A (en) * | 2019-08-27 | 2021-03-05 | 中国建筑材料科学研究总院有限公司 | Constant temperature control system |
-
2012
- 2012-06-12 CN CN 201220276242 patent/CN202770790U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104007138A (en) * | 2014-06-04 | 2014-08-27 | 清华大学 | Method for inverting adiabatic temperature rise of concrete by using two-dimensional heat radiation |
| CN104594879A (en) * | 2014-11-26 | 2015-05-06 | 中国石油天然气股份有限公司 | Temperature control device and method for oil-gas field physical simulation experiment |
| CN108254402A (en) * | 2017-12-21 | 2018-07-06 | 中国水利水电科学研究院 | Fully graded concrete adiabatic temperature rise test equipment and method under different placing temperatures |
| CN110501530A (en) * | 2018-05-16 | 2019-11-26 | 天津市惠达实验仪器有限公司 | A kind of energy-saving adiabatic temperature rise testing machine |
| CN109030794A (en) * | 2018-07-25 | 2018-12-18 | 武汉三源特种建材有限责任公司 | Concrete temperature rise rapid detection method |
| CN109030794B (en) * | 2018-07-25 | 2020-12-18 | 武汉三源特种建材有限责任公司 | Concrete temperature rise rapid detection method |
| CN112445248A (en) * | 2019-08-27 | 2021-03-05 | 中国建筑材料科学研究总院有限公司 | Constant temperature control system |
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Granted publication date: 20130306 Termination date: 20210612 |
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